Home / 125,195.88-187,827.96-45,243.24

Finding the Fourth Proportional to 125,195.88, 187,827.96 and 45,243.24

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Solution

The fourth proportional to 125,195.88, 187,827.96 and 45,243.24 is: 67,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,195.88 : 187,827.96 = 45,243.24 : x
  2. Step 2: Convert to fraction form
    125,195.88/187,827.96 = 45,243.24/x
  3. Step 3: Cross multiply
    125,195.88x = 187,827.96 × 45,243.24
  4. Step 4: Simplify right side
    125,195.88x = 8,497,945,472.99
  5. Step 5: Solve for x
    x = 8,497,945,472.99/125,195.88
  6. Step 6: Final answer
    x = 67,877.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.